21624554

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67157}}^1$

素因数の和:67189

約数の個数: 16

約数和(自身を含む): 38683008

約数和(自身を除く): 17058454

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67157, 134314, 470099, 940198, 1544611, 3089222, 10812277, 21624554]

約数ペア:

[(1, 21624554), (2, 10812277), (7, 3089222), (14, 1544611), (23, 940198), (46, 470099), (161, 134314), (322, 67157)]